6718142437 has 2 divisors, whose sum is σ = 6718142438. Its totient is φ = 6718142436.

The previous prime is 6718142423. The next prime is 6718142441. The reversal of 6718142437 is 7342418176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6287538436 + 430604001 = 79294^2 + 20751^2 .

It is a cyclic number.

It is not a de Polignac number, because 6718142437 - 2⁷ = 6718142309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6718142393 and 6718142402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6718142737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359071218 + 3359071219.

It is an arithmetic number, because the mean of its divisors is an integer number (3359071219).

Almost surely, 2^6718142437 is an apocalyptic number.

It is an amenable number.

6718142437 is a deficient number, since it is larger than the sum of its proper divisors (1).

6718142437 is an equidigital number, since it uses as much as digits as its factorization.

6718142437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 6718142437 is about 81964.2753704320. The cubic root of 6718142437 is about 1886.9036988453.

The spelling of 6718142437 in words is "six billion, seven hundred eighteen million, one hundred forty-two thousand, four hundred thirty-seven".